—Look! The man at the gate _______be our headmaster. He is always standing there every morning.
—No, it_______ be him. He is holding a meeting in the office now.
| A．must; can’t | B．must; mustn’t |
| C．can’t; can’t | D．can’t; mustn’t |
The weather in Guiyang in winter is ___than that in Harbin. They are different.
| A．cool | B．much cooler | C．hot | D．much hotter |
When the Greens moved into the new house last week,____ was dirty, so they did a big cleaning.
| A．something | B．everything |
| C．anything | D．nothing |
—_______does your mother watch the Talk show? ---Once a week.
| A．How long | B．How often |
| C．How soon | D．How many |
.She is ______ her mother now.
| A．as tall as | B．so tall as |
| C．as taller as | D．as taller than |
The room is ________ to hold 60 people.
| A．enough big | B．big enough |
| C．enough bigger | D．bigger enough |